1/*-
2 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef NOINET6
30#define	IPV6CP_MAXCODE	CODE_CODEREJ
31
32#define	TY_TOKEN	1
33#define	TY_COMPPROTO	2
34
35#define	IPV6CP_IFIDLEN	8		/* RFC2472 */
36
37struct ipv6cp {
38  struct fsm fsm;			/* The finite state machine */
39
40  struct {
41    struct fsm_retry fsm;		/* frequency to resend requests */
42  } cfg;
43
44  unsigned peer_tokenreq : 1;		/* Any TY_TOKEN REQs from the peer ? */
45
46  u_char my_ifid[IPV6CP_IFIDLEN];	/* Local Interface Identifier */
47  u_char his_ifid[IPV6CP_IFIDLEN];	/* Peer Interface Identifier */
48
49  struct ncpaddr myaddr;		/* Local address */
50  struct ncpaddr hisaddr;		/* Peer address */
51
52  u_int32_t his_reject;			/* Request codes rejected by peer */
53  u_int32_t my_reject;			/* Request codes I have rejected */
54
55  struct pppThroughput throughput;	/* throughput statistics */
56  struct mqueue Queue[2];		/* Output packet queues */
57};
58
59#define fsm2ipv6cp(fp) (fp->proto == PROTO_IPV6CP ? (struct ipv6cp *)fp : NULL)
60#define IPV6CP_QUEUES(ipv6cp) (sizeof ipv6cp->Queue / sizeof ipv6cp->Queue[0])
61
62struct bundle;
63struct link;
64struct cmdargs;
65struct iface_addr;
66
67extern void ipv6cp_Init(struct ipv6cp *, struct bundle *, struct link *,
68                        const struct fsm_parent *);
69extern void ipv6cp_Destroy(struct ipv6cp *);
70extern void ipv6cp_Setup(struct ipv6cp *);
71extern void ipv6cp_SetLink(struct ipv6cp *, struct link *);
72
73extern int  ipv6cp_Show(struct cmdargs const *);
74extern struct mbuf *ipv6cp_Input(struct bundle *, struct link *, struct mbuf *);
75extern void ipv6cp_AddInOctets(struct ipv6cp *, int);
76extern void ipv6cp_AddOutOctets(struct ipv6cp *, int);
77
78extern void ipv6cp_IfaceAddrAdded(struct ipv6cp *, const struct iface_addr *);
79extern void ipv6cp_IfaceAddrDeleted(struct ipv6cp *, const struct iface_addr *);
80extern int  ipv6cp_InterfaceUp(struct ipv6cp *);
81extern size_t ipv6cp_QueueLen(struct ipv6cp *);
82extern int ipv6cp_PushPacket(struct ipv6cp *, struct link *);
83#endif
84